[PATCH v2 3/8] dt-bindings: mfd: stm32-timers: add support for dmas

Rob Herring robh at kernel.org
Sun Feb 4 22:07:20 PST 2018


On Fri, Jan 26, 2018 at 04:11:34PM +0100, Fabrice Gasnier wrote:
> Add support for DMAs to STM32 timers. STM32 Timers can support up to 7
> dma requests: up to 4 channels, update, compare and trigger.
> DMAs may be used to transfer data from pwm capture for instance.
> DMA support is made optional, PWM capture support is also an option.
> This is much more wise system-wide to avoid shortage on DMA request
> lines as there's significant amount of timer instances that can
> request up to 7 channels.
> 
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier at st.com>
> ---
>  .../devicetree/bindings/mfd/stm32-timers.txt         | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)

Reviewed-by: Rob Herring <robh at kernel.org>



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